+from sfa.util.xrn import Xrn
+from sfa.util.xml import XpathFilter
+
+from sfa.rspecs.elements.node import NodeElement
+from sfa.rspecs.elements.sliver import Sliver
+from sfa.rspecs.elements.location import Location
+from sfa.rspecs.elements.hardware_type import HardwareType
+from sfa.rspecs.elements.disk_image import DiskImage
+from sfa.rspecs.elements.interface import Interface
+from sfa.rspecs.elements.bwlimit import BWlimit
+from sfa.rspecs.elements.pltag import PLTag
+from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
+from sfa.rspecs.elements.versions.pgv2SliverType import PGv2SliverType
+from sfa.rspecs.elements.versions.pgv2Interface import PGv2Interface
+from sfa.rspecs.elements.granularity import Granularity
+
+from sfa.planetlab.plxrn import xrn_to_hostname
+
+class PGv2Node:
+ @staticmethod
+ def add_nodes(xml, nodes):
+ node_elems = []
+ for node in nodes:
+ node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive']
+ node_elem = xml.add_instance('node', node, node_fields)
+ node_elems.append(node_elem)
+ # set component name
+ if node.get('component_id'):
+ component_name = xrn_to_hostname(node['component_id'])
+ node_elem.set('component_name', component_name)
+ # set hardware types
+ if node.get('hardware_types'):
+ for hardware_type in node.get('hardware_types', []):
+ node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields)
+ # set location
+ if node.get('location'):
+ node_elem.add_instance('location', node['location'], Location.fields)
+
+ # set granularity
+ if node['exclusive'] == "true":
+ granularity = node.get('granularity')
+ node_elem.add_instance('granularity', granularity, granularity.fields)
+ # set interfaces
+ PGv2Interface.add_interfaces(node_elem, node.get('interfaces'))
+ #if node.get('interfaces'):
+ # for interface in node.get('interfaces', []):
+ # node_elem.add_instance('interface', interface, ['component_id', 'client_id'])
+ # set available element
+ if node.get('available'):
+ available_elem = node_elem.add_element('available', now=node['available'])
+ # add services
+ PGv2Services.add_services(node_elem, node.get('services', []))
+ # add slivers
+ slivers = node.get('slivers', [])
+ if not slivers:
+ # we must still advertise the available sliver types
+ slivers = Sliver({'type': 'plab-vserver'})
+ # we must also advertise the available initscripts
+ slivers['tags'] = []
+ if node.get('pl_initscripts'):
+ for initscript in node.get('pl_initscripts', []):
+ slivers['tags'].append({'name': 'initscript', 'value': initscript['name']})
+ PGv2SliverType.add_slivers(node_elem, slivers)
+ return node_elems
+
+ @staticmethod
+ def get_nodes(xml, filter={}):
+ xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ node_elems = xml.xpath(xpath)
+ return PGv2Node.get_node_objs(node_elems)
+
+ @staticmethod
+ def get_nodes_with_slivers(xml, filter={}):
+ xpath = '//node[count(sliver_type)>0] | //default:node[count(default:sliver_type) > 0]'
+ node_elems = xml.xpath(xpath)
+ return PGv2Node.get_node_objs(node_elems)
+
+ @staticmethod
+ def get_node_objs(node_elems):
+ nodes = []
+ for node_elem in node_elems:
+ node = NodeElement(node_elem.attrib, node_elem)
+ nodes.append(node)
+ if 'component_id' in node_elem.attrib:
+ node['authority_id'] = Xrn(node_elem.attrib['component_id']).get_authority_urn()
+
+ # get hardware types
+ hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
+ node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]
+
+ # get location
+ location_elems = node_elem.xpath('./default:location | ./location')
+ locations = [location_elem.get_instance(Location) for location_elem in location_elems]
+ if len(locations) > 0:
+ node['location'] = locations[0]
+
+ # get granularity
+ granularity_elems = node_elem.xpath('./default:granularity | ./granularity')
+ if len(granularity_elems) > 0:
+ node['granularity'] = granularity_elems[0].get_instance(Granularity)
+
+ # get interfaces
+ iface_elems = node_elem.xpath('./default:interface | ./interface')
+ node['interfaces'] = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
+
+ # get services
+ node['services'] = PGv2Services.get_services(node_elem)
+
+ # get slivers
+ node['slivers'] = PGv2SliverType.get_slivers(node_elem)
+ available_elems = node_elem.xpath('./default:available | ./available')
+ if len(available_elems) > 0 and 'name' in available_elems[0].attrib:
+ if available_elems[0].attrib.get('now', '').lower() == 'true':
+ node['boot_state'] = 'boot'
+ else:
+ node['boot_state'] = 'disabled'
+ return nodes
+
+
+ @staticmethod
+ def add_slivers(xml, slivers):
+ component_ids = []
+ for sliver in slivers:
+ filter = {}
+ if isinstance(sliver, str):
+ filter['component_id'] = '*%s*' % sliver
+ sliver = {}
+ elif 'component_id' in sliver and sliver['component_id']:
+ filter['component_id'] = '*%s*' % sliver['component_id']
+ if not filter:
+ continue
+ nodes = PGv2Node.get_nodes(xml, filter)
+ if not nodes:
+ continue
+ node = nodes[0]
+ PGv2SliverType.add_slivers(node, sliver)
+
+ @staticmethod
+ def remove_slivers(xml, hostnames):
+ for hostname in hostnames:
+ nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
+ for node in nodes:
+ slivers = PGv2SliverType.get_slivers(node.element)
+ for sliver in slivers:
+ node.element.remove(sliver.element)
+if __name__ == '__main__':
+ from sfa.rspecs.rspec import RSpec
+ import pdb
+ r = RSpec('/tmp/emulab.rspec')
+ r2 = RSpec(version = 'ProtoGENI')
+ nodes = PGv2Node.get_nodes(r.xml)
+ PGv2Node.add_nodes(r2.xml.root, nodes)
+ #pdb.set_trace()
+
+
git://git.onelab.eu / sfa.git / blobdiff